SOA
                        CAM51_PD        CAM51_PI      difference     rel diff(%)
Sources (Tg/yr)          103.434          92.665          10.768          10.411
    condensation         103.434          92.665          10.768          10.411
Sinks (Tg/yr)            103.262          92.494          10.768          10.428
         dry_dep          11.315           8.580           2.734          24.165
         wet_dep          91.948          83.914           8.034           8.737
Lifetime (days)            3.893           3.789           0.105           2.687
Burden (Tg)                1.102           0.960           0.141          12.834
    accumulation           1.092           0.951           0.141          12.887
          Aitken           0.009           0.009           0.001           6.771